This cup is carefully selected natural bamboo, thick and heavy. It can be use with tea coffee sake milk juice beer wine any any drinks in any occation, both indoor and outdoor. Also used as tea cup for tea ceremony, a great gift for tea lover Well-designed of fine bamboo cups bottom, make the cups set look special with other cups and very betautiful. Healthy, simple style. Keep close to nature. Specification: Material: Bamboo Color: Brown Size Chart: A Size: Approx. 5x6.5cm/1.97x2.20inch B Size: Approx. 6x8cm/2.36x3.15inch C Size: Approx. 5x5.5cm/1.97x2.17inch D Size: Approx. 6x6.5cm/2.36x2.20inch E Size: Approx. 6.5x8cm/2.20x3.15inch F Size: Approx. 6.5x8cm/2.20x3.15inch G Size: Approx. 6.5x8cm/2.20x3.15inch H Size: Approx. 7x10cm/2.76x3.94inch I Size: Approx. 7x10cm/2.76x3.94inch J Size: Approx. 7x10cm/2.76x3.94inch K Size: Approx. 6x7cm/2.36x2.76inch L Size: Approx. 7.5x12.5cm/2.95x4.92inch Package Includes: 1 Piece Bamboo Drinking Cup Note: Pls allow an error of 1-3cm due to the natural bamboo and manual measurement